vortech T-trim VS S-trim

BLOWN89 · May 29th, 2008, 11:33 AM

Just wondering what power difference they make. If there both running 15 pounds of boost does the T-trim make more power if so about how much more.

91cobra5.0 · May 29th, 2008, 03:24 PM

i think one is quiet and the other isnt

ChrisJ · May 29th, 2008, 08:19 PM

The T-Trim can run alot more boost...It is less efficient at low boost but shines at higher boost...

The S-Trim cant run as much boost...It is more efficient at low boost but not higher boost....

I run a T-Trim on mine...

The T-Trim is loud as hell too...

ryans88gt · May 29th, 2008, 08:38 PM

At 15 PSI the only difference will be the outlet temperature (i.e. how hot the blower heats the air up to get to 15 PSI). However, there is no way to determine the efficiency of a given blower at 15 PSI, without considering the restriction (i.e. engine). On smaller motors the S-trim could be more efficient at 15 PSI and on larger/freer flowing motors the T-trim could be more efficient. You'll have to look at compressor maps and the type of motor it is going on to figure out which will work better for your application. If that is too much, call vortech and ask them.

Goblin · May 29th, 2008, 08:56 PM

Just curious. Are we comparing the V1 T-trim, to the V1 S-trim? Or the V1T, to the V2S?

Ryan > Well said bro.

BLOWN89 · May 31st, 2008, 02:41 AM

v1-t to the v1 -trim

ChrisJ · May 31st, 2008, 09:12 AM

At 30#'s the S-Trim has no chance of the efficiency of the T-Trim at the same boost level...

r.barn · May 31st, 2008, 11:51 AM

It's not "Boost Levels" ............ it's CFM flow.

Boost is NOT a measure of air flow. It's a measure of "back pressure" to
airflow.

Picking the right S/C comes down to how many CFM's a given engine size
will need at a given boost level and rpm.

Basically the S-trim will not supply enough CFM for bigger cubic inch
engines running a good amount of boost or smaller engines running insane
amounts of boost. The CFM flow for a given engine at a give boost level
is pretty easy to figure out.

We can go into how to run the math and read compressor maps if you want
but thats almost a whole thread in and of itself.

ChrisJ · May 31st, 2008, 01:45 PM

I know that boost is just a level of back pressure...I am just saying...The S-Trim shits out at around 600rwhp...

ChrisJ · May 31st, 2008, 01:52 PM

S-Trim

Straight cut spur gear
Fits engines up to 680 horsepower
Maximum airflow: 1,000 CFM *
Maximum boost pressure: 20 PSI *
Maximum impeller speed: 50,000 RPM
Adiabatic efficiency: 72% **
Available with straight or curved discharge and clockwise or counterclockwise rotation

T-Trim

Straight cut spur gear
Fits engines up to 825 horsepower
Maximum airflow: 1,200 CFM *
Maximum boost pressure: 26 PSI *
Maximum impeller speed: 55,000 RPM
Adiabatic efficiency: 73% **
Available with straight or curved discharge and clockwise or counterclockwise rotation

BLOWN89 · June 4th, 2008, 12:37 AM

thanks for the info guys

_UnLiMiTeD_ · June 4th, 2008, 12:41 AM

that 11 second quarter mile in your sig BLOWN, is that just with the 306 and no power adders?

ryans88gt · June 4th, 2008, 01:03 AM

Originally Posted by ChrisJ

I know that boost is just a level of back pressure...I am just saying...The S-Trim shits out at around 600rwhp...

Ahhh, but 600 hp on a 2 liter engine could be a lot more than 30 PSI.

ChrisJ · June 4th, 2008, 08:30 PM

Originally Posted by ryans88gt

Ahhh, but 600 hp on a 2 liter engine could be a lot more than 30 PSI.

But we are not talking about a 2 liter engine here though...

Goblin · June 4th, 2008, 10:35 PM

Since when is "boost" a level, or measure of backpressure?

ryans88gt · June 4th, 2008, 11:52 PM

Always? You are measuring the build up of pressure in the intake that the car cannot consume.

But in reality it isn't that simple, because the higher the pressure in the intake, the more air that is forced into the motor. Obviously a motor will produce more power at 15 PSI than at 10 PSI, so part of that extra 5 PSI is being consumed.

You probably need some advanced algorithms and calculus to really understand how boost effects power output from different compressors and engines.

ryans88gt · June 4th, 2008, 11:53 PM

Originally Posted by ChrisJ

But we are not talking about a 2 liter engine here though...

The OP didn't specify, he could have a 4-banger.

Goblin · June 5th, 2008, 08:06 PM

*Shakes head*

I think your mis-understanding my question bro.

ChrisJ · June 5th, 2008, 08:21 PM

Originally Posted by ryans88gt

The OP didn't specify, he could have a 4-banger.

In his sig

built 306 windsor motor

BLOWN89 · June 9th, 2008, 02:48 AM

the 11 sec pass I with the supercharger at 7lbs of boost.

May 29th, 2008, 11:33 AM	#1
BLOWN89 Regular 1989 mustang LX 11.42 @120 Join Date: Nov 2007 Location: Tulsa, Oklahoma Posts: 139 iTrader: 0 reviews	vortech T-trim VS S-trim Just wondering what power difference they make. If there both running 15 pounds of boost does the T-trim make more power if so about how much more. __________________ 89 hatch.....4,000 dollars..vortech supercharger kit.....3,800 dollars...built 306 windsor motor.....3,000 dollars beating a 75,000 dollar z06 corvette....PRICELESS UNTIL I SOLD THE CAR

May 29th, 2008, 03:24 PM	#2
91cobra5.0 Hardcore Enthusiast 94 GT Join Date: Jan 2008 Location: Bay Area, Ca Posts: 2,055 iTrader: 0 reviews	i think one is quiet and the other isnt __________________ 94 GT - Deep Forest Green Off road X, flowmaster single chambers, typhoon intake, hurst short throw, CAI, eibach sportlines, 315s, foxbody short block

May 29th, 2008, 08:19 PM	#3
ChrisJ RLY SRS Join Date: Aug 2005 Location: Ft. Meade, MD Posts: 36,743 Blog Entries: 4 iTrader: 9 reviews	The T-Trim can run alot more boost...It is less efficient at low boost but shines at higher boost... The S-Trim cant run as much boost...It is more efficient at low boost but not higher boost.... I run a T-Trim on mine... The T-Trim is loud as hell too... __________________ 2008 Acura TL Type-S - 2008 EB Ford Expedition - 2002 Boosted GT - Sold Facebook Google+

May 29th, 2008, 08:38 PM	#4
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,627 iTrader: 0 reviews	At 15 PSI the only difference will be the outlet temperature (i.e. how hot the blower heats the air up to get to 15 PSI). However, there is no way to determine the efficiency of a given blower at 15 PSI, without considering the restriction (i.e. engine). On smaller motors the S-trim could be more efficient at 15 PSI and on larger/freer flowing motors the T-trim could be more efficient. You'll have to look at compressor maps and the type of motor it is going on to figure out which will work better for your application. If that is too much, call vortech and ask them. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

May 29th, 2008, 08:56 PM	#5
Goblin Hardcore Enthusiast 88mm Join Date: Apr 2007 Location: Tucson, AZ Posts: 2,111 iTrader: 0 reviews	Just curious. Are we comparing the V1 T-trim, to the V1 S-trim? Or the V1T, to the V2S? Ryan > Well said bro. __________________

May 31st, 2008, 02:41 AM	#6
BLOWN89 Regular 1989 mustang LX 11.42 @120 Join Date: Nov 2007 Location: Tulsa, Oklahoma Posts: 139 iTrader: 0 reviews	v1-t to the v1 -trim __________________ 89 hatch.....4,000 dollars..vortech supercharger kit.....3,800 dollars...built 306 windsor motor.....3,000 dollars beating a 75,000 dollar z06 corvette....PRICELESS UNTIL I SOLD THE CAR

May 31st, 2008, 09:12 AM	#7
ChrisJ RLY SRS Join Date: Aug 2005 Location: Ft. Meade, MD Posts: 36,743 Blog Entries: 4 iTrader: 9 reviews	At 30#'s the S-Trim has no chance of the efficiency of the T-Trim at the same boost level... __________________ 2008 Acura TL Type-S - 2008 EB Ford Expedition - 2002 Boosted GT - Sold Facebook Google+

May 31st, 2008, 11:51 AM	#8
r.barn Regular 1989 LX Vert - 1993 Notch Fast Join Date: May 2008 Location: Houston Posts: 398 iTrader: 0 reviews	It's not "Boost Levels" ............ it's CFM flow. Boost is NOT a measure of air flow. It's a measure of "back pressure" to airflow. Picking the right S/C comes down to how many CFM's a given engine size will need at a given boost level and rpm. Basically the S-trim will not supply enough CFM for bigger cubic inch engines running a good amount of boost or smaller engines running insane amounts of boost. The CFM flow for a given engine at a give boost level is pretty easy to figure out. We can go into how to run the math and read compressor maps if you want but thats almost a whole thread in and of itself. __________________ The last President elected in anger of previous President was ....... Jimmy Carter God Help Us

May 31st, 2008, 01:45 PM	#9
ChrisJ RLY SRS Join Date: Aug 2005 Location: Ft. Meade, MD Posts: 36,743 Blog Entries: 4 iTrader: 9 reviews	I know that boost is just a level of back pressure...I am just saying...The S-Trim shits out at around 600rwhp... __________________ 2008 Acura TL Type-S - 2008 EB Ford Expedition - 2002 Boosted GT - Sold Facebook Google+ Last edited by ChrisJ; May 31st, 2008 at 01:50 PM.

May 31st, 2008, 01:52 PM	#10
ChrisJ RLY SRS Join Date: Aug 2005 Location: Ft. Meade, MD Posts: 36,743 Blog Entries: 4 iTrader: 9 reviews	S-Trim Straight cut spur gear Fits engines up to 680 horsepower Maximum airflow: 1,000 CFM * Maximum boost pressure: 20 PSI * Maximum impeller speed: 50,000 RPM Adiabatic efficiency: 72% ** Available with straight or curved discharge and clockwise or counterclockwise rotation T-Trim Straight cut spur gear Fits engines up to 825 horsepower Maximum airflow: 1,200 CFM * Maximum boost pressure: 26 PSI * Maximum impeller speed: 55,000 RPM Adiabatic efficiency: 73% ** Available with straight or curved discharge and clockwise or counterclockwise rotation __________________ 2008 Acura TL Type-S - 2008 EB Ford Expedition - 2002 Boosted GT - Sold Facebook Google+

June 4th, 2008, 12:37 AM	#11
BLOWN89 Regular 1989 mustang LX 11.42 @120 Join Date: Nov 2007 Location: Tulsa, Oklahoma Posts: 139 iTrader: 0 reviews	thanks for the info guys __________________ 89 hatch.....4,000 dollars..vortech supercharger kit.....3,800 dollars...built 306 windsor motor.....3,000 dollars beating a 75,000 dollar z06 corvette....PRICELESS UNTIL I SOLD THE CAR

June 4th, 2008, 12:41 AM	#12
_UnLiMiTeD_ Newbie Join Date: Jun 2008 Posts: 38 iTrader: 0 reviews	that 11 second quarter mile in your sig BLOWN, is that just with the 306 and no power adders?

June 4th, 2008, 10:35 PM	#15
Goblin Hardcore Enthusiast 88mm Join Date: Apr 2007 Location: Tucson, AZ Posts: 2,111 iTrader: 0 reviews	Since when is "boost" a level, or measure of backpressure? __________________

June 4th, 2008, 11:52 PM	#16
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,627 iTrader: 0 reviews	Always? You are measuring the build up of pressure in the intake that the car cannot consume. But in reality it isn't that simple, because the higher the pressure in the intake, the more air that is forced into the motor. Obviously a motor will produce more power at 15 PSI than at 10 PSI, so part of that extra 5 PSI is being consumed. You probably need some advanced algorithms and calculus to really understand how boost effects power output from different compressors and engines. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

June 5th, 2008, 08:06 PM	#18
Goblin Hardcore Enthusiast 88mm Join Date: Apr 2007 Location: Tucson, AZ Posts: 2,111 iTrader: 0 reviews	Shakes head I think your mis-understanding my question bro. __________________

June 9th, 2008, 02:48 AM	#20
BLOWN89 Regular 1989 mustang LX 11.42 @120 Join Date: Nov 2007 Location: Tulsa, Oklahoma Posts: 139 iTrader: 0 reviews	the 11 sec pass I with the supercharger at 7lbs of boost. __________________ 89 hatch.....4,000 dollars..vortech supercharger kit.....3,800 dollars...built 306 windsor motor.....3,000 dollars beating a 75,000 dollar z06 corvette....PRICELESS UNTIL I SOLD THE CAR

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